By which process does the smell of cooking spread to all the rooms in a house?

A. Distillation
B. Diffusion
C. Decomposition
D. Displacement

Submitted by: Malik Asghar Hussain

If someone is cooking in the kitchen, the smell travels around the house to other rooms. This is because of diffusion , the movement of particles from an area of high concentration to an area of low concentration.

Related Mcqs:

Cooking gas is mixture of which two gases?
A. Hydrogen and oxygen
B. Methane and CO2
C. Methane and oxygen
D. None of these
Submitted by: Muhammad Mumtaz Haider
Non stick cooking utensils are coated with________?
A. Black paint
B. PVC
C. Teflon
D. polystyrene
Submitted by: Muhammad Ali Kunbhar
The over-cooking of food should be avoided because____________?
A. Make the food difficult to digest
B. Reduce the nutrition value of food
C. Make food Poison
D. None
Submitted by: Naintara Mustafa
Which of the following disease is spread by Fleas?
A. Small pox
B. Tetnus
C. Typhus
D. Yellow fever
Submitted by: Malik Asghar Hussain
“Plague” is a disease, spread by?
A. Cow
B. Cat
C. Rat
D. Dog
Submitted by: Mansoor Ahmed Suhag
During which process does heat transfer occur because of density differences__________?
A. Convection
B. Radiation
C. Conduction
D. None of these
Submitted by: Rida
During which process of energy exchange does cold air displace warmer air?
A. Convection
B. Radiation
C. Conduction
D. None of these
Submitted by: Rida
The Green House Effect is caused by an excess of ?
A. Carbon dioxide
B. Carbon monoxide
C. Carbon tetrachloride
D. None of the above
“Green House Effect” means:____________?
A. Pollution
B. Prevention of ultraviolet rays
C. Trapping of Solar energy due to atmospheric carbon dioxide
D. D. None
Submitted by: Shahzeb Malik
Which of the gas is not known as green house gas?
A. Methane
B. Nitrous oxide
C. Carbon dioxide
D. Hydrogen
Submitted by: Farjan Ahmed Soomro